Table 2. Magnitude based inferences on between trial comparisons on changes in vertical jump height (cm). Data are means (±SD).
Group
Comparison
Group
1
Group
2
p-
Value
Threshold Percent Mean
Difference
Inference
Positive Trivial Decrease
BL – 8P
MI vs. CTL -1.5 (1.5) -.1 (.6) .014 .21 0.3 1.3 98.4 -1.4 (.9) Very Likely Decrease
MI vs. HI -1.5 (1.5) -.7 (.7) .127 .21 3 9.6 87.4 -.8 (.8) Likely Decrease
MI vs. 1RM -1.5 (1.5) -.7 (.7) .101 .21 2.2 8.7 89.2 -.8 (.8) Likely Decrease
HI vs. CTL -.7 (.7) -.1 (.6) .011 .21 0.1 4.1 95.9 -.6 (.4) Very Likely Decrease
HI vs. 1RM -.7 (.7) -.7 (.7) .044 .21 0 100 0 0 (0) Almost Certainly Trivial
1RM vs. CTL -.7 (.7) -.1 (.6) .076 .21 88.1 10.9 1 .6 (.6) Likely Increase
BL – 20P
MI vs. CTL -1.4 (1.2) -.3 (.9) .025 .19 0.5 2.5 97 -1.1 (.78) Very Likely Decrease
MI vs. HI -1.4 (1.2) -1.1 (.8) .492 .19 13.1 27.3 59.6 -.3 (.74) Unclear
MI vs. 1RM -1.4 (1.2) -.7 (.7) .092 .19 1.8 8.9 89.3 -.7 (.68) Likely Decrease
HI vs. CTL -1.1 (.8) -.3 (.9) .025 .19 0.3 3.7 95.9 -.8 (.57) Very Likely Decrease
HI vs. 1RM -1.1 (.8) -.7 (.7) .044 .19 0.2 13.9 85.9 -.4 (.32) Likely Decrease
1RM vs. CTL -.7 (.7) -.3 (.9) .313 .19 70 23.1 7 .4 (.67) Unclear
BL = baseline; 8P = 8 minutes post-exercise; 20P = 20 minutes post-exercise